System for reading non-volatile storage with efficient setup

Details System for reading non-volatile storage with efficient setup System for reading non-volatile storage with efficient setup

2008-05-06

2008-05-06

Luu, Pho M. (Department: 2824)

Static information storage and retrieval

Floating gate

Particular connection

C365S185230, C365S185260, C365S185330, C365S189050

Reexamination Certificate

active

07369437

ABSTRACT:
A process for reading data (including verifying during programming) from a selected non-volatile storage elements of a group (e.g., NAND string) of non-volatile storage elements includes maintaining an intermediate voltage as a control gate voltage for an unselected non-volatile storage element and subsequently changing the control gate voltage for the unselected non-volatile storage element from the intermediate voltage to a read enable voltage. The control gate voltage for the selected non-volatile storage element is raised from a standby voltage (which is different than the intermediate voltage) to a read compare voltage. While the control gate for the selected non-volatile storage element is at the read compare voltage and the control gate for the unselected non-volatile storage element is at the read enable voltage, the state of the selected non-volatile storage element is sensed to determine information about the data stored in the selected non-volatile storage element.

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